The point is where is their attention, what do they think the users need, or use - and not if i can find, after searching a while, some good sides of porting iOS to OS. I use a mobile phone or a tablet for making things on the road, and the lap (before the desktop) for real work, and my real work ain't social networking.
Great, Apple puts as the new features of the next System "Mountain Lion" the integration of twitter and messages. 
What I see is that I bought a working machine and now it is getting a social networking machine. I thought I was a developer, a video artist, a designer, a musician, but no, I am finding out that for Apple I am in first line a chatter. Thank you, in the place I am living the social networking happens live.
An interesting discussion on apples policies:
http://ifixit.org/2763/the-new-macbook-pro-unfixable-unhackable-untenable
An interesting discussion on apples policies:
http://ifixit.org/2763/the-new-macbook-pro-unfixable-unhackable-untenable